CN204821610U - On -vehicle optical detection mechanism combines supplementary locomotive buffer stop who makes a video recording - Google Patents
On -vehicle optical detection mechanism combines supplementary locomotive buffer stop who makes a video recording Download PDFInfo
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- CN204821610U CN204821610U CN201520554119.3U CN201520554119U CN204821610U CN 204821610 U CN204821610 U CN 204821610U CN 201520554119 U CN201520554119 U CN 201520554119U CN 204821610 U CN204821610 U CN 204821610U
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Abstract
The utility model discloses an on -vehicle optical detection mechanism combines supplementary locomotive buffer stop who makes a video recording, including acquisition unit for carry out image acquisition and analysis processes to rail orbit demarcation district's section and import department, the analysis processes information that acquisition unit conveyed is received to the video processing unit to send control command to execution unit, execution unit slows down and the brake control to the locomotive. The utility model discloses the detection of railway circuit non -blind area all standing is realized to the detection basic station that utilizes far infrared or CCD and image recognition, data processing, trouble early warning and really report the message routing technique to form. The ground location basic station is inactive, aims district's section that the rail orbit was surveyed, judges to have or not external article to invade, sends trouble instruction and control image through the wireless network bridge technique to the locomotive to realization locomotive anticollision is descended still to survey the required safe distance of guaranteeing in weather conditions such as night, rain, snow, fogs, provides the important leverage for driving safety.
Description
Technical field
The utility model relates to a kind of safe railway operation field, is specifically related to vehicle-mounted optical detection mechanism in conjunction with the locomotive anti-collision method of second camera and device.
Background technology
The crashproof at present method of railway is inaccessible travelling-crane method, and judge that whether forward box is idle by block section, the free time just confirms all is clear ahead, can run.And the shortcoming of this technical method is, even if confirmation line idle, and block section is when still having an obstacle, such as: time two rail caused for various reasons non-conductive (rail conduction bad, wheel conduction bad, obstacle be electrical insulator), all obstacles on rail all cannot detect; Vehicle, landslide, flood are done not say or talk etc., cannot be detected by prior art means, thus train collision accident occur.
Also have with driver's range estimation, this is limited by the physical efficiency, intelligence, sense of responsibility etc. of driver completely.Daytime generally at about 600 meters, and its night driver observed range only 200 ~ 300 meters, misty rain sky is then poorer, be close in conjecture driving.And minimum 800 meters of the stopping distance of locomotive, add the distance that driver crosses in the reaction time, cannot accident be avoided.Most great train operation accidents generally all in the second half of the night, driver's physical stamina letdown, meteorological conditions badly add does not have scientific method prevention and control and occurs, and this is a large hidden danger of traffic safety.The domestic solution that there is no science.
Utility model content
The utility model, for above-mentioned the deficiencies in the prior art, provides vehicle-mounted optical detection mechanism in conjunction with the anti-collision device for locomotive of second camera.
The technical solution adopted in the utility model is: vehicle-mounted optical detection, in conjunction with the anti-collision device for locomotive of second camera, comprising:
Collecting unit, for carrying out image acquisition and analyzing and processing information to rail track calibration zone section and inflow point;
Video processing unit, receives the analyzing and processing information that collecting unit transmits, and sends control command to performance element;
Performance element, slows down and control for brake to locomotive.
Further, described collecting unit comprises optical lens, RGB three ccd video camera, Near Infrared CCD pick up camera, image pick-up device switching mechanism and laser, wherein optical lens is by image pick-up device switching mechanism and RGB three ccd video camera, Near Infrared CCD pick up camera connects and is connected with laser, the mouth of described RGB three ccd video camera connects the first electronics and image-signal processor, described image pick-up device switching mechanism is connected with Near Infrared CCD pick up camera with coupler by narrow band pass filter, the mouth of described Near Infrared CCD pick up camera connects the second electronics and image-signal processor, described first electronics and image-signal processor are connected video output interface with the mouth of the second electronics and image-signal processor, described image pick-up device switching mechanism also arranges photosensitive probe, described photosensitive probe is connected with laser power supply, described laser power supply is connected with laser.
Further, described locomotive refers to railway locomotive, rail vehicle and has the construction machinery and equipment from wheel service performance.
Further, described RGB three ccd video camera and Near Infrared CCD pick up camera also arrange fan and heating resistor, described laser and laser power supply arrange fan.Dispelling the heat by arranging fan RGB three ccd video camera and Near Infrared CCD pick up camera and laser, preventing that temperature is too high causes damage to equipment.
Further, described video processing unit comprises power subsystem unit, control unit, monitoring display unit and performs control mechanism, described power subsystem unit and described control unit, monitoring display unit and perform control mechanism and be connected, the input end of described control unit connects described collecting unit, the mouth of described control unit is connected with described monitoring display unit by A/D converter, the mouth of described control unit is connected with execution control mechanism, described execution control mechanism comprises bearing servo actuator, for controlling The Cloud Terrace.
The beneficial effects of the utility model are:
1, the utility model is in conjunction with far infrared or CCD, even if still required safety distance can be detected under night, rain, snow, mist weather condition, and energy all weather operation;
2, can detect under various weather condition and be identified in safety distance scope in locomotive travel line and the obstacle such as the people of both sides, automobile, train, ox, sheep, falling rocks, lodging trees;
3, the distance between various obstacle and locomotive is measured, with prompting and warning;
4, the utility model adopts domestic and international state-of-the-art automation and intelligentification equipment, breaks away from the predicament of current technology, guarantees safety and the economic results in society of railways train operation;
5, the utility model utilizes existing locomotive operation safety control technology, locomotive speed is obtained by existing row control device LKJ (or GYK vehicle track running control convenience), the running state information such as position, formed and run braking curve, adopt round-the-clock far infrared detection, digital image recognition and target discrimination, the technology such as locking are to obstacle recognition, wireless high precision is utilized to locate and networking technology, limit, the technology diameter road and bridge beam-like Tai He road massif states such as wireless bridge communication are monitored, simultaneously also other to circuit slow sign board, the marks such as blue and white lamp carry out identifying and warning, the corresponding information that recognition result obtains is classified thus carried out Train Control, man-machine interaction is carried out by telltale, effectively strengthen the safety control in train travelling process,
6, the utility model has been filled up shunting service and has been monitored the blank field of this driving hidden danger and traffic safety, can carry out science, effectively, prevention and control accurately;
7, the utility model utility model and current operation control system share set of device, will bring saving device resource to railway, the economic benefit that convenient after-sales service, optimization driving regulations, optimization travelling facility etc. are endless.
Accompanying drawing explanation
Fig. 1 is the vehicle-mounted optical detection mechanism that the utility model proposes anti-collision device for locomotive constructional drawing in conjunction with second camera;
Fig. 2 is the described collecting unit structural representation that the utility model embodiment provides;
Fig. 3 is the described video processing unit structural representation that the utility model embodiment provides.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further detailed.
See Fig. 1, it is the vehicle-mounted optical detection mechanism that the utility model proposes anti-collision device for locomotive constructional drawing in conjunction with second camera.
As shown in Figure 1, vehicle-mounted optical detection mechanism, in conjunction with the anti-collision device for locomotive of second camera, comprising:
Collecting unit 101, for carrying out image acquisition and analyzing and processing information to rail track calibration zone section and inflow point;
Video processing unit 102, receives the analyzing and processing information that collecting unit transmits, and sends control command to performance element.
Performance element 103, slows down and control for brake to locomotive.
See Fig. 2, it is the described collecting unit structural representation that the utility model embodiment provides.
As shown in Figure 3, described collecting unit 101 comprises optical lens, RGB three ccd video camera, Near Infrared CCD pick up camera, image pick-up device switching mechanism and laser, wherein optical lens is connected with RGB three ccd video camera and Near Infrared CCD pick up camera by image pick-up device switching mechanism, the mouth of described RGB three ccd video camera connects the first electronics and image-signal processor, described image pick-up device switching mechanism is connected with Near Infrared CCD pick up camera with coupler by narrow band pass filter, the mouth of described Near Infrared CCD pick up camera connects the second electronics and image-signal processor, described first electronics and image-signal processor are connected video output interface with the mouth of the second electronics and image-signal processor, described image pick-up device switching mechanism also arranges photosensitive probe, described photosensitive probe is connected with laser power supply, described laser power supply is connected with laser.
In the utility model embodiment, vehicle-mounted optical detection mechanism is made up of wide-aperture optical system, RGB three ccd video camera, Near Infrared CCD pick up camera, spike interference filter, image pick-up device switching mechanism, sharp illumination apparatus, communication interface and rotary head etc. in conjunction with the anti-collision device for locomotive of second camera.Wherein laser device is operated near infrared band, uses laser illumination target when working at night, for system provides the observing effect being equivalent to daytime.
Further, described RGB three ccd video camera and Near Infrared CCD pick up camera also arrange fan and heating resistor, described laser and laser power supply arrange fan.Dispelling the heat by arranging fan RGB three ccd video camera and Near Infrared CCD pick up camera and laser, preventing that temperature is too high causes damage to equipment.
See Fig. 3, it is the described video processing unit structural representation that the utility model embodiment provides.
As shown in Figure 3, described video processing unit comprises power subsystem unit, control unit, monitoring display unit and performs control mechanism, described power subsystem unit and described control unit, monitoring display unit and perform control mechanism and be connected, the input end of described control unit connects described collecting unit, the mouth of described control unit is connected with described monitoring display unit by A/D converter, the mouth of described control unit is connected with execution control mechanism, described execution control mechanism comprises bearing servo actuator, for controlling The Cloud Terrace.
In the utility model embodiment, described video processing unit receives the vision signal that on tracking table, noctovisor sends, after video A/D conversion, carry out digital video dynamic image pro cess and target identification, export target deviation amount (△ X, △ Y) with absolute error form, target deviation amount (△ X, △ Y) is converted to servo-control signal and controls turntable tracking target.
In the utility model embodiment, described monitoring display unit provides people-machine working interface, the mode of operation of control system display-object information, as the information such as determination and unblock of orientation, distance, manual/auto tracking mode, tracking gate.Video processing and indicating & controlling device have work, safeguard three kinds of mode of operations, to adapt to the use needs of locomotive.
Further, described video processing unit also arranges communication interface circuit.
In the utility model embodiment, described communication interface circuit plate is used for the control command of Rcv decoder, control command is converted into the motion of turntable and Opto-Mechanical System, realizes the actions such as turntable rotation, optical focusing, zoom, colored CCD and infrared light switching, laser switch.
In the utility model embodiment, described actuating unit is orientation tracking table, adopt DC servo reducing motor as driver element, by high precision photoelectric coder as position transduser, servomotor and coder are cascaded structure, and axle core is conducting slip ring, does not need messenger chain, structure is simple, and it is convenient to control.
In the utility model embodiment, the control of described actuating unit exports and comprises three loops: speed control loop, video tracking position servo loop and Target indication position servo loop, wherein the formation in each loop and effect as follows:
(1) speed control loop: form feedback network by orientation tachometer, in order to form speed damping circuit.
(2) video tracking position servo loop: ask for circuit (video tracker) by target identification and error and form closed loop, in order to realize automatically track target.
(3) Target indication position servo loop: form feedback network by angular encoder, control in order to realize computer location, this loop is used for receiving target instruction and fan-shaped automatic search target.
In the utility model embodiment, by collecting unit, rail track state is gathered, video processing unit processes the graphicinformation gathered, then adjusted by the equipment of performance element to collecting unit, be specially: to be arranged on image pick-up device switching mechanism photosensor to external world light respond to, when extraneous dark being detected, starting laser power supply is that laser is powered, laser positions illumination by laser lens to rail track after starting, image pick-up device switching mechanism switches to Near Infrared CCD pick up camera to start simultaneously, the image of rail track is obtained by optical lens, by the second electronics and image-signal processor, the graphicinformation of Near Infrared CCD camera acquisition is sent on monitoring display device by video output interface, when detecting that extraneous light is brighter, RGB three ccd video camera obtains the pattern on rail track by optical lens, by the first electronics and image-signal processor and video interface, detected image is sent on monitoring display device.
The vehicle-mounted optical detection mechanism that the utility model provides is in conjunction with the anti-collision device for locomotive of second camera, and its technical index reached is:
(1) under good meteorological conditions (no matter daytime and night): 2000 meters are not less than to obstacle (train, automobile, falling rocks, landslide roadbed, the lodging trees) detective distance of harm traffic safety, 1000 meters are not less than on obstacle (pedestrian, ox, the sheep) detective distance affecting traffic safety, to red, blue, white, yellow, two Huang, yellow to dodge, two Huang dodges, the various colour light signal detective distance such as greenish-yellow, green is not less than 1000 meters, is not less than 500 meters to the numerical identification distance of speed limit sign board and speed limit on circuit.
(2) under the bad weather conditions such as rain, snow, mist (no matter daytime and night): be 2 times of the direct viewing distance of human eye to the decipherment distance of various obstacle, various colour light signal and stated-speed sign board numerical value.
(3) to the Distance Judgment accuracy rate of the targets such as various nearest obstacle, colored lights, sign board apart from locomotive:
During distance 2000 meters: error 100 meters;
During distance 1000 meters, error 50 meters.
The beneficial effects of the utility model are:
1, the utility model is in conjunction with far infrared or CCD, even if still required safety distance can be detected under night, rain, snow, mist weather condition, and energy all weather operation;
2, can detect under various weather condition and be identified in safety distance scope in locomotive travel line and the obstacle such as the people of both sides, automobile, train, ox, sheep, falling rocks, lodging trees;
3, the distance between various obstacle and locomotive is measured, with prompting and warning;
4, the utility model adopts domestic and international state-of-the-art automation and intelligentification equipment, breaks away from the predicament of current technology, guarantees safety and the economic results in society of railways train operation;
5, the utility model utilizes existing locomotive operation safety control technology, locomotive speed is obtained by existing row control device LKJ (or GYK vehicle track running control convenience), the running state information such as position, formed and run braking curve, adopt round-the-clock far infrared detection, digital image recognition and target discrimination, the technology such as locking are to obstacle recognition, wireless high precision is utilized to locate and networking technology, limit, the technology diameter road and bridge beam-like Tai He road massif states such as wireless bridge communication are monitored, simultaneously also other to circuit slow sign board, the marks such as blue and white lamp carry out identifying and warning, the corresponding information that recognition result obtains is classified thus carried out Train Control, man-machine interaction is carried out by telltale, effectively strengthen the safety control in train travelling process,
6, the utility model has been filled up shunting service and has been monitored the blank field of this driving hidden danger and traffic safety, can carry out science, effectively, prevention and control accurately;
7, the utility model utility model and current operation control system share set of device, will bring saving device resource to railway, the economic benefit that convenient after-sales service, optimization driving regulations, optimization travelling facility etc. are endless.
In the utility model embodiment, the image gathered by image mechanism and locomotive inherent parameters, by data processing and policer operation, the running state of locomotive is controlled, control locomotive deceleration or other driving functions, this utility model can realize automatic cognitive disorders thing and control train, reach guarantee pre-erosion control, de-, squeeze and the object of car accident, greatly improve safety, the economical, societal benefits of railway and society.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.
Claims (5)
1. vehicle-mounted optical detection mechanism is in conjunction with an anti-collision device for locomotive for second camera, it is characterized in that, comprising:
Collecting unit, for carrying out image acquisition and analyzing and processing to rail track calibration zone section and inflow point;
Video processing unit, receives the analyzing and processing information that collecting unit transmits, and sends control command to performance element;
Performance element, slows down and control for brake to locomotive.
2. vehicle-mounted optical detection mechanism according to claim 1 is in conjunction with the anti-collision device for locomotive of second camera, it is characterized in that, described collecting unit comprises optical lens, RGB three ccd video camera, Near Infrared CCD pick up camera, image pick-up device switching mechanism and laser, wherein optical lens is by image pick-up device switching mechanism and RGB three ccd video camera, Near Infrared CCD pick up camera connects and is connected with laser, the mouth of described RGB three ccd video camera connects the first electronics and image-signal processor, described image pick-up device switching mechanism is connected with Near Infrared CCD pick up camera with coupler by narrow band pass filter, the mouth of described Near Infrared CCD pick up camera connects the second electronics and image-signal processor, described first electronics and image-signal processor are connected video output interface with the mouth of the second electronics and image-signal processor, described image pick-up device switching mechanism also arranges photosensitive probe, described photosensitive probe is connected with laser power supply, described laser power supply is connected with laser.
3. vehicle-mounted optical detection mechanism according to claim 1 is in conjunction with the anti-collision device for locomotive of second camera, it is characterized in that, described locomotive refers to railway locomotive, rail vehicle and has the construction machinery and equipment from wheel service performance.
4. vehicle-mounted optical detection mechanism according to claim 2 is in conjunction with the anti-collision device for locomotive of second camera, it is characterized in that, described RGB three ccd video camera and Near Infrared CCD pick up camera also arrange fan and heating resistor, described laser and laser power supply arrange fan.
5. vehicle-mounted optical detection mechanism according to claim 1 is in conjunction with the anti-collision device for locomotive of second camera, it is characterized in that, described video processing unit comprises power subsystem unit, control unit, monitoring display unit and execution control mechanism, described power subsystem unit and described control unit, monitoring display unit and execution control mechanism connect, the input end of described control unit connects described collecting unit, the mouth of described control unit is connected with described monitoring display unit by A/D converter, the mouth of described control unit is connected with execution control mechanism, described execution control mechanism comprises bearing servo actuator, for controlling The Cloud Terrace.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083324A (en) * | 2015-07-28 | 2015-11-25 | 陕西西北铁道电子有限公司 | Method and device for locomotive anticollision using on-board optical detection mechanism combining with auxiliary image pickup |
| CN110095296A (en) * | 2019-03-22 | 2019-08-06 | 南宁中车轨道交通装备有限公司 | A kind of control system and method for testing erosion control for the dynamic debugging of city rail vehicle |
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2015
- 2015-07-28 CN CN201520554119.3U patent/CN204821610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083324A (en) * | 2015-07-28 | 2015-11-25 | 陕西西北铁道电子有限公司 | Method and device for locomotive anticollision using on-board optical detection mechanism combining with auxiliary image pickup |
| CN110095296A (en) * | 2019-03-22 | 2019-08-06 | 南宁中车轨道交通装备有限公司 | A kind of control system and method for testing erosion control for the dynamic debugging of city rail vehicle |
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